Festool PN574432, DF 500, PI574332, PI574432 Setting the Mortise Depth, Changing the Mortising Bit

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Setting the Mortise Depth

The mortising depth determines how deep into the workpiece the mortising bit penetrates. This needs to be adjusted for different sized tenons. In most cases, the tenon should be centered across the joint, and the depth of the mortise should be ½ the length of the tenon. However, in some cases you may want to have more of the tenon in one piece than the other (lower Domino tenon pictured below). In this case, the sum of the two depths must equal the length of the tenon. (In the offset tenon example below, the Domino tenon is 40 mm long, the left mortise is 28 mm deep, and the right mortise is 12 mm deep.)

1.Press in on the depth adjust lock.

2.Move the depth adjust lever to the stepped position of the desired depth.

3.Release the depth adjust lock.

Changing the Mortising Bit

Different mortising bits are available for a variety of Domino tenon sizes. The DF500 comes equipped with a 5mm bit, and 6, 8, and 10 mm bits are available as an option.

WARNING: Always unplug the tool before changing mortising bits, or removing the fence body from the motor housing.

1.Using the provided 8mm wrench, pry up on the fence body release lever, and slide the fence body off the motor housing. (The inset photograph on page 6 shows the fence body and motor housing when separated.)

2.Press and hold the spindle lock button. This stops the spindle from turning while you loosen the mortising bit.

3.Loosen the mortising bit by turning it counterclockwise (standard right-hand thread).

4.Insert a new mortising bit, and start the threads by hand to avoid cross-threading.

5.Press in on the spindle lock while tightening the bit. Do not over tighten the bit.

6.Carefully reinstall the fence body onto the motor housing, and push the fence body in until the latch clicks.

Make sure there is no sawdust inside the guide tubes before inserting the fence body.

Be careful not to damage the linear bearings (hollow tubes) when reinstalling the fence body. If it does not slide on easy, it means the fence is skewed with respect to the bearings.

Instruction Manual

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Contents Tenon Joiner Supplemental Extended User’s Manual Domino DF Tenon JoinerConditions of 1+2 Warranty WarrantyFestool Limited Warranty Liability StatementContents General Safety Rules Tool Description Name or Description Ref. Pages Functional DescriptionSetup Setting Up a New Domino JoinerSetting the Fence Angle Setting the Fence Height Setting the Mortise WidthImportant Notes Changing the Mortising Bit Setting the Mortise DepthPlug-ItPower Cord OperationOverview, General Notes, and Tips Using Dust Extraction Using the Locating PinsTurning On the Joiner Using the Base Support Bracket Using the Optional Outrigger GuidesSetup Using the Optional Narrow Frame Fence ApplicationsEdge Joining Boards Construction Tips Making Butt Box JointsMachining the Captive-Side Tenons Machining the Cap-Side TenonsSetup and Machining Making Miter Box JointsMaking Lock Tenon Joints Butt Joint Frames Making Frame JointsMitered Frames Cope and Stick Stile and Rail FramesMaking Carcase Butt Joints Making Three-Way Lock Miter Joints Shortening a Domino Tenon’s Length Creating Special Plunge DepthsTips for Appyling Glue Maintenance Routine MaintenanceCleaning and Maintenance Calibrating the Locating Pins Calibration ProcedureCalibrating the Horizontal Position Gauge Domino Tenons AccessoriesSystainer System Container Parts of the SystainerStacking Systainers Symptom Possible Causes Troubleshooting